package com.briup.estore.service;

import com.briup.estore.bean.Book;
import com.briup.estore.bean.extend.BookExtend;

import java.util.List;

/**
 * 针对于书籍的业务逻辑
 */
public interface BookService {
    List<Book> findAllBooks();
    /**
     *
     */
    Book findBookById(Integer id);
    BookExtend findBookAndCategoryById(Integer id);
}
